*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none;
}
ul{
    list-style: none;
}
.header{
    width: 100%;
    height: 83px;
    margin: auto;
    position: fixed;
    top: 0;
    z-index: 99;
    background-color: rgba(255,255,255,.5);
    box-shadow: 0 4px 10px rgb(0 0 0 / 4%);
    backdrop-filter: blur(20px);
}
.headerWrap{
    width: 1200px;
    height: 83px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header_logo{
    width: 500px;
    height: 80px;
    background-image: url(../image/headerLogo.svg);
    background-size: 100% 100%;
}
.header_menu{
    height: 42px;
    display: flex;
    align-items: center;
}
.header_menu span{
    margin-left: 39px;
    padding: 20px;
    position: relative;
}
.header_menu :hover span{
    color: #ff6733;
}
.header_menu :hover span::after{
    border-bottom: 5px solid #ff6733;
    border-top: 0;
}
.header_menu span::after{
    content: "";
    width: 0;
    height: 0;
    border-top: 5px solid #222;
    border-right: 5px solid transparent;
    border-bottom: 0;
    border-left: 5px solid transparent;
    position: absolute;
    top: 50%;
    margin-left: 5px;
}
.header_menu_contact{
    width: 160px;
    height: 40px;
    border: 1px solid #ff6733;
    border-radius: 4px;
    margin-left: 82px;
    text-align: center;
    transition: all .2s;
}
.header_menu_contact:hover{
    background-color: rgba(255,105,51,.15);;
}
.header_menu_contact a{
    padding: 7px 40px;
    font-size: 20px;
    line-height: 40px;
    color: #ff6733;
}
.header_menu_list{
    position: absolute;
    background: rgba(255,255,255,.85);
    box-shadow: 0 4px 10px rgb(0 0 0 / 4%);
    backdrop-filter: blur(10px);
    margin-top: 31px;
}
.header_menu_list{
    height: fit-content;
    width: fit-content;
    display: none;
}
.header_menu_list ul{
    width: fit-content;
    height: fit-content;
}
.header_menu_list ul li{
    width: 160px;
    height: 60px;
    text-align: center;
}
.header_menu_list ul li a{
    color: #212529;
    width: 120px;
    height: 20px;
    display: inline-block;
    padding: 20px 20px;
    font-size: 16px;
    transition: all .15s ease-in-out;
}
.header_menu_list ul li a:hover{
    color: #ff6733;
    background-color: #ffffff;
}
.header_menu_OpenPlatform_list ul li{
    width: 190px;
}
.header_menu_OpenPlatform_list ul li a{
    width: 150px;
}
.banner{
    width: 100%;
    height: 863px;
    position: absolute;
    top: 0;
    background-image: linear-gradient(250.32deg,#e0f2ff 30.39%,#dbeafc 56.8%,#fff8f4 82.82%);
}
.banner_wrap{
    margin-top: 83px;
    width: 100%;
    height: 863px;
    background: url(../image/bannerBackground.svg) center;
}
.banner_swiper{
    width: 100%;
    height: 625px;
    overflow: hidden;
}
.banner_swiper_wrap{
    width: 700vw;
    height: 600px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-left: -100vw;
    transition: all .5s;
}
.banner_swiper_item{
    width: 400px;
    height: 400px;
    border: 1px solid #000000;
    text-align: center;
    line-height: 400px;
    font-size: 40px;
}
.banner_swiper_button{
    width: 100%;
    height: 25px;
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
}
.banner_swiper_button_item{
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background-color: #b2bcc7;
    margin: 0 4px;
    cursor: pointer;
}
.banner_swiper_button_item_active{
    width: 50px;
    background-color: #ff6733;
    transition: all .5s;
}